Google Places Ads in AI Mode: What Changes for Online Sellers

When Google changes where ads appear, the entire digital marketing chain shakes — from agencies in São Paulo to e-commerce stores in Belo Horizonte. And that is exactly what is happening right now: the company confirmed it is testing paid ad placements inside AI Mode and AI Overviews, the two AI-generated search formats Google has been expanding globally since 2024.

The question every marketing manager should be asking today is not "will this happen?" — it's: "how much of my traffic has already disappeared without me noticing?"

What AI Mode and AI Overviews Are — and Why They Change Everything

AI Overviews are AI-generated answer blocks that appear at the top of Google's results page, synthesizing information from multiple sources before any organic link. AI Mode goes further: it is a fully conversational search experience where the user asks chained questions and receives elaborated answers, without necessarily clicking on any website.

In both cases, Google is building a response layer that intercepts the user's journey before they reach the traditional organic result. For those who have invested in SEO for years, this represents a structural compression of the space that used to be free.

Now, by inserting paid ads within these AI experiences, Google is essentially monetizing the new top of the funnel. The logic is straightforward: if users are spending more time in AI-generated results, that is where advertisers will need to be.

Organic Space Has Shrunk. But by How Much?

There is no consolidated figure yet on the drop in organic clicks caused by AI Overviews in the Brazilian market. However, studies in the North American market — where the rollout was more accelerated — already point to organic CTR reductions in informational categories ranging between 15% and 30% compared to periods before the Overviews were implemented.

Categories such as health, personal finance, travel, and education are the most affected — precisely the segments where AI answers can "resolve" the user's question without them needing to visit a website.

For SMBs that rely on organic traffic as their primary acquisition channel, this is not a future risk. It is an erosion that is already underway.

How Ads Will Work Inside AI

Google has not yet published detailed technical specifications for the final format, but ongoing tests indicate that ads will be inserted within the generated response, labeled as "sponsored," similar to what already exists in traditional results. The difference is that the context changes: the ad is not only competing for visual position, but for semantic relevance within a natural-language response.

This has direct implications for media buying. The exact keyword-based bidding model may lose relative strength to broader, contextual intent signals, which favors campaigns with well-crafted creatives and landing pages that are highly aligned with search intent.

What Changes in Practice for Advertisers

• Measurement will become more complex. With users getting answers inside AI Mode without clicking, the last-click attribution model becomes even more outdated. Anyone still using GA4 in the standard model without attribution adjustments needs to revisit that now.
• Creatives will need more context. An ad inserted within an AI response needs to make sense within a paragraph, not just as an isolated headline. This puts pressure on copy quality and the clarity of the value proposition.
• A/B ad testing becomes even more critical. With the variable of placement within AI responses still uncertain, short testing and adjustment cycles will be the only way to understand what is converting.

What Brazilian SMBs Should Do Right Now

I work with SMBs in Brazil, Italy, and the United States, and the pattern I see repeating itself is this: companies that treat Google Ads as a faucet you turn on and forget are the most vulnerable to structural shifts like this one. Those that thrive are the ones that actively monitor performance signals and adjust their strategy frequently.

Three concrete moves for the next 90 days:

1. Audit your organic traffic by intent type. In Google Search Console, separate informational queries from transactional ones. The former are the most vulnerable to AI Overviews. If they account for more than 40% of your traffic, you have a concentrated risk.

2. Revisit your Search campaigns with a focus on clear transactional intent. The closer the user is to a purchase decision, the less likely an AI response alone is to satisfy them. This is the territory where ads still convert well — and where the new AI Mode formats will be most relevant.

3. Start building brand visibility metrics. As the click becomes a less reliable unit of measurement, qualified impressions, direct searches, and return traffic gain importance as indicators that your brand is being remembered even when users do not click.

The Shift Nobody Should Ignore

Google is making a clear bet: the search of the future is conversational, AI-generated, and monetized within that experience. This is not speculation — it is what the ongoing tests indicate.

For those selling online in Brazil, the window to adapt without urgency is closing. The question is not whether ads will appear inside AI Mode — it is when that will become the standard, and whether your marketing operation will be ready when it does.